[Buildroot] ping not working in a glibc based buildroot

[Eial Czerwacki <eial@scalemp.com>]

Greetings Thomas,

On 07/10/2014 05:06 PM, Thomas Petazzoni wrote:
> Dear Eial Czerwacki,
>
> On Thu, 10 Jul 2014 16:40:35 +0300, Eial Czerwacki wrote:
>
>> it seems that that file is missing but running LD_TRACE_LOADED_OBJECTS=1
>> /bin/busybox doesn't shows libnss_dns.so.* is missing.
> libnss_* files are dlopen()'ed by the glibc, so I'm not sure
> LD_TRACE_LOADED_OBJECTS will show it.
>
> It's clearly not normal that libnss_dns.so is missing. Here is a
> Buildroot build using the internal toolchain backend with glibc that I
> did a few days ago:
>
> $ ls -l target/lib/libnss_*
> -rwxr-xr-x 1 thomas thomas 17904 Jul  8 23:34 target/lib/libnss_dns-2.18.so
> lrwxrwxrwx 1 thomas thomas    18 Jul  8 23:28 target/lib/libnss_dns.so.2 -> libnss_dns-2.18.so
> -rwxr-xr-x 1 thomas thomas 46668 Jul  8 23:34 target/lib/libnss_files-2.18.so
> lrwxrwxrwx 1 thomas thomas    20 Jul  8 23:28 target/lib/libnss_files.so.2 -> libnss_files-2.18.so
>
> Could you please show:
>
>  */ The output of 'ls -l output/target/lib'
>
>  */ The version of Buildroot you're using
>
>  */ The complete Buildroot configuration (.config file) you're using
>
> Thanks,
>
> Thomas
I've added libnss_dns-2.18.so to the img and libresolv.so and it seems
to be working.
the files are missing because I work in a kinda limited size.

do I need the other libnss_*.so files?

Thanks,

Eial.